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Finding the Fourth Proportional to 69,870.76, 104,800.38 and 23,108.20

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Solution

The fourth proportional to 69,870.76, 104,800.38 and 23,108.20 is: 34,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,870.76 : 104,800.38 = 23,108.20 : x
  2. Step 2: Convert to fraction form
    69,870.76/104,800.38 = 23,108.20/x
  3. Step 3: Cross multiply
    69,870.76x = 104,800.38 × 23,108.20
  4. Step 4: Simplify right side
    69,870.76x = 2,421,748,141.12
  5. Step 5: Solve for x
    x = 2,421,748,141.12/69,870.76
  6. Step 6: Final answer
    x = 34,660.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.